<?php
header('Content-Type: text/html;charset=utf-8');
header('Access-Control-Allow-Origin:*'); // *代表允许任何网址请求
header('Access-Control-Allow-Methods:POST,GET,OPTIONS,DELETE'); // 允许请求的类型
header('Access-Control-Allow-Credentials: true'); // 设置是否允许发送 cookies
header('Access-Control-Allow-Headers: Content-Type,Authorization,Content-Length,Accept-Encoding,X-Requested-with, Origin'); // 设置允许自定义请求头的字段

$url="https://api.openai.com/v1/completions";
$body = file_get_contents('php://input');

file_put_contents("log.txt",$_SERVER['REMOTE_ADDR']." Ask(".date("Y-m-d Hi:s")."):".json_encode($body)."\n",FILE_APPEND);

$header = array("Content-Type:application/json", "Authorization:Bearer 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");
$result = curlPost($url, $body, 25, $header, 'array');
echo $result;

file_put_contents("log.txt",$_SERVER['REMOTE_ADDR']." answer(".date("Y-m-d Hi:s")."):".json_encode($result)."\n",FILE_APPEND);

 
/**
 * 传入数组进行HTTP POST请求
 */
function curlPost($url, $post_data = array(), $timeout = 50, $header = "", $data_type = "") {
    $header = empty($header) ? '' : $header;
    //支持json数据数据提交
    if($data_type == 'json'){
        $post_string = json_encode($post_data);
    }elseif($data_type == 'array') {
        $post_string = $post_data;
    }elseif(is_array($post_data)){
        $post_string = http_build_query($post_data, '', '&');
    }
    
    $ch = curl_init();    // 启动一个CURL会话
    curl_setopt($ch, CURLOPT_URL, $url);     // 要访问的地址
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);  // 对认证证书来源的检查   // https请求 不验证证书和hosts
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);  // 从证书中检查SSL加密算法是否存在
    curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']); // 模拟用户使用的浏览器
    //curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); // 使用自动跳转
    //curl_setopt($curl, CURLOPT_AUTOREFERER, 1); // 自动设置Referer
    curl_setopt($ch, CURLOPT_POST, true); // 发送一个常规的Post请求
    curl_setopt($ch, CURLOPT_POSTFIELDS, $post_string);     // Post提交的数据包
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);     // 设置超时限制防止死循环
    curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
    //curl_setopt($curl, CURLOPT_HEADER, 0); // 显示返回的Header区域内容
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);     // 获取的信息以文件流的形式返回 
    curl_setopt($ch, CURLOPT_HTTPHEADER, $header); //模拟的header头
    $result = curl_exec($ch);
 
    // 打印请求的header信息
    //$a = curl_getinfo($ch);
    //var_dump($a);
 
    curl_close($ch);
    return $result;
}